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Summary: Curvewise DET confidence regions and
pointwise EER confidence intervals using radial
sweep methodology
Michael E. Schuckers1
, Yordan Minev1
and Andy Adler2
1
Department of Mathematics, Computer Science and Statistics
St. Lawrence University, Canton, NY USA
2
Department of Systems and Computer Engineering
Carleton University, Ottawa, ON Canada
Abstract. One methodology for evaluating the matching performance
of biometric authentication systems is the detection error tradeoff (DET)
curve. The DET curve graphically illustrates the relationship between
false rejects and false accepts when varying a threshold across a gen-
uine and an imposter match score distributions. This paper makes two
contributions to the literature on the matching performance evaluation
of biometric identification or bioauthentication systems. First, we create
curvewise DET confidence regions using radial sweep methods. Second
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